feat(公开内容): 添加公开内容功能，支持文档和软件下载，无需登录即可访问

core/forms.py

@@ -8,7 +8,8 @@ from .models import (
     FamilyTask,
     TodayPlan,
     SystemConfig,
-    FamilyMember
+    FamilyMember,
+    PublicContent
 )
 
 class ReadingRecordForm(forms.ModelForm):
@@ -109,4 +110,19 @@ class SystemConfigForm(forms.ModelForm):
             if not re.match(email_pattern, recipient_email):
                 logger.warning(f"收件人邮箱格式不正确: {recipient_email}")
                 raise forms.ValidationError("请输入有效的邮箱地址，格式如：example@domain.com")
-        return recipient_email
+        return recipient_email
+
+
+class PublicContentForm(forms.ModelForm):
+    """公开内容表单"""
+    class Meta:
+        model = PublicContent
+        fields = ['type', 'title', 'content', 'file', 'url', 'sort_order', 'is_published']
+        widgets = {
+            'type': forms.Select(attrs={'class': 'form-select'}),
+            'title': forms.TextInput(attrs={'class': 'form-control', 'placeholder': '请输入标题'}),
+            'content': forms.Textarea(attrs={'class': 'form-control', 'rows': 5, 'placeholder': '请输入内容'}),
+            'file': forms.FileInput(attrs={'class': 'form-control'}),
+            'url': forms.URLInput(attrs={'class': 'form-control', 'placeholder': '请输入链接地址'}),
+            'sort_order': forms.NumberInput(attrs={'class': 'form-control', 'placeholder': '请输入排序值'}),
+        }